1 Answer
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That'd be at run-time. The OP is not clear whether he is referring to trying to use the function, or to bash parsing the function at startup. cut(1) should blow up with an error if it was at runtime. It does here.
– Marc WilsonJan 17 at 23:34

@MarcWilson I didn’t even try. But same here: definition of function doesn’t throw any error, execution fails on the first line
– nohillside♦Jan 18 at 6:14